Take it apart and put it back together. 4 screws on the bottom If still inoperable, pm me me for a replacement. Also with low pressure, blow out the lines. First remove the spray nozzles. Clean nozzles with a pin_________________1979 924 Diamant Zweischicht.
Serial # 9249201031
XG 309 543 engine code.
2004 Jetta TDI

Thanks! All of the rest of the system is recent/fresh. Curious, how much for your spare?_________________PCA Licensed Club Racer & Driving Instructor, Current cars: 1981 931, 2005 996 GT3, 2013 Cayenne GTS